Milwaukee step drill set 48899399

Step drills are ideal for drilling in the following materials: - alloyed and unalloyed sheets, profiles and pipes. - copper, brass and aluminum. - stainless steel. - plastic. - maximum material thickness 4 mm. - the use of coolants is recommended to increase the service life. Trades: - electricians: drilling panels and control cabinets for cable installations. - plumbing: access holes to pipes and cables. - metalworkers: drilling different diameters and enlarging holes. - automotive: holes for cable installations (mobile phones, antennas, laying cables). - maintenance: different applications, sizes and hole enlargements. Advantages of step drills over conventional drills: - one drill for different diameters. - optimal solution for enlarging drill holes. - less breakable than metal drills. - easy centering. - clean and burr-free holes. splinter-free drilling in plastic. punching, drilling and deburring in one step. Rapid Strike drill bit for easier centering - no inch wandering of the drill and faster drilling progress without pre-drilling. Special drill bit and special step geometry enable chatter-free drilling. Lower risk of jamming at high speeds or deforming the material to be drilled. Optimized 2-spiral geometry with sharpened edges for up to 2x faster drilling progress. Made from special steel with black oxide coating for up to 4x longer service life. Optimized for use with cordless tools. Laser marking of the diameters for long-lasting readability. Each step is ground back for optimal drilling feed and automatic deburring. Shaft with 3 clamping surfaces for a secure hold in the drill chuck and optimal power transmission


Number of parts 3

scope of delivery